feat: 全功能前后端联调完成，47/47 测试通过

前端：
- 新增 DietCapturePage 独立拍照识别页
- 5种消息卡片类型完整实现（数据确认/用药/饮食/报告/快捷选项）
- 任务卡片区：异常警告+数据摘要+自动折叠
- 侧滑抽屉：历史对话列表+对话管理
- 运动计划：进度卡片+创建计划+每日打卡
- 报告页：拍照/相册/PDF上传+分析
- 面板按钮补全血氧/体重录入
- UI 升级：紫色主题+动画+气泡样式
- 全部迁移 Riverpod 3.x API

后端：
- 新增 _UpdateMessageTypeAndMetadata，Tool Calling 自动映射消息类型
- SSE answer 事件携带 type 字段
- 提示词优化（移除"阿福"，语气规则归位）
- 运动计划支持 AI 创建和打卡

测试：
- 新增 full_e2e_test.py 全流程测试（认证/数据CRUD/6个Agent对话/VLM/报告）

health_app/lib/pages/home/widgets/chat_messages_view.dart

@@ -19,9 +19,19 @@ class ChatMessagesView extends ConsumerWidget {
         child: Column(
           mainAxisSize: MainAxisSize.min,
           children: [
-            Icon(Icons.chat_bubble_outline, size: 48, color: Colors.grey[300]),
-            const SizedBox(height: 12),
+            Container(
+              width: 80,
+              height: 80,
+              decoration: BoxDecoration(
+                color: const Color(0xFFEDEBFF),
+                borderRadius: BorderRadius.circular(40),
+              ),
+              child: const Icon(Icons.health_and_safety, size: 40, color: Color(0xFF635BFF)),
+            ),
+            const SizedBox(height: 16),
             Text('开始和 AI 健康管家对话吧', style: Theme.of(context).textTheme.bodyMedium),
+            const SizedBox(height: 8),
+            Text('记录健康数据，获取专业建议', style: TextStyle(fontSize: 14, color: Colors.grey[400])),
           ],
         ),
       );
@@ -34,48 +44,112 @@ class ChatMessagesView extends ConsumerWidget {
       itemCount: messages.length,
       itemBuilder: (context, index) {
         final msg = messages[messages.length - 1 - index];
-        return _buildMessageBubble(context, msg, chatState);
+        return _buildMessageContent(context, msg, chatState);
       },
     );
   }
 
-  Widget _buildMessageBubble(BuildContext context, ChatMessage msg, ChatState chatState) {
+  Widget _buildMessageContent(BuildContext context, ChatMessage msg, ChatState chatState) {
+    final isUser = msg.isUser;
+
+    if (!isUser && chatState.isStreaming && msg.content.isEmpty) {
+      return _buildThinkingBubble(context, chatState.thinkingText);
+    }
+
+    switch (msg.type) {
+      case MessageType.dataConfirm:
+        return _buildDataConfirmCard(context, msg);
+      case MessageType.medicationConfirm:
+        return _buildMedicationConfirmCard(context, msg);
+      case MessageType.dietAnalysis:
+        return _buildDietAnalysisCard(context, msg);
+      case MessageType.reportAnalysis:
+        return _buildReportAnalysisCard(context, msg);
+      case MessageType.quickOptions:
+        return _buildQuickOptionsCard(context, msg);
+      default:
+        return _buildTextBubble(context, msg);
+    }
+  }
+
+  Widget _buildThinkingBubble(BuildContext context, String? thinkingText) {
+    return Align(
+      alignment: Alignment.centerLeft,
+      child: Container(
+        margin: const EdgeInsets.only(bottom: 12),
+        padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 14),
+        decoration: BoxDecoration(
+          color: const Color(0xFFFEFEFF),
+          borderRadius: const BorderRadius.only(topLeft: Radius.circular(4), topRight: Radius.circular(20), bottomLeft: Radius.circular(20), bottomRight: Radius.circular(20)),
+          border: Border.all(color: const Color(0xFFE8E6FF), width: 1.5),
+          boxShadow: const [BoxShadow(color: Color(0xFF635BFF), blurRadius: 4, offset: Offset(0, 2))],
+        ),
+        child: Row(
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            Container(
+              width: 24,
+              height: 24,
+              padding: const EdgeInsets.all(4),
+              decoration: BoxDecoration(
+                color: const Color(0xFFEDEBFF),
+                borderRadius: BorderRadius.circular(12),
+              ),
+              child: const CircularProgressIndicator(strokeWidth: 2, color: Color(0xFF635BFF)),
+            ),
+            const SizedBox(width: 10),
+            const Text('正在分析...', style: TextStyle(fontSize: 14, color: Color(0xFF999999))),
+          ],
+        ),
+      ),
+    );
+  }
+
+  Widget _buildTextBubble(BuildContext context, ChatMessage msg) {
     final isUser = msg.isUser;
     return Align(
       alignment: isUser ? Alignment.centerRight : Alignment.centerLeft,
       child: Container(
         margin: const EdgeInsets.only(bottom: 12),
-        constraints: BoxConstraints(maxWidth: MediaQuery.of(context).size.width * 0.78),
-        padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 12),
+        constraints: BoxConstraints(maxWidth: MediaQuery.of(context).size.width * 0.85),
+        padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 14),
         decoration: BoxDecoration(
-          color: isUser ? const Color(0xFF635BFF) : Colors.white,
-          borderRadius: BorderRadius.circular(16),
-          border: isUser ? null : const Border(left: BorderSide(color: Color(0xFF635BFF), width: 3)),
+          color: isUser ? const Color(0xFF635BFF) : const Color(0xFFFEFEFF),
+          borderRadius: BorderRadius.only(
+            topLeft: Radius.circular(isUser ? 20 : 4),
+            topRight: Radius.circular(isUser ? 4 : 20),
+            bottomLeft: const Radius.circular(20),
+            bottomRight: const Radius.circular(20),
+          ),
+          border: isUser ? null : Border.all(color: const Color(0xFFE8E6FF), width: 1.5),
+          boxShadow: isUser ? [] : [BoxShadow(color: const Color(0xFF635BFF).withAlpha(8), blurRadius: 4, offset: const Offset(0, 2))],
         ),
         child: Column(
           crossAxisAlignment: CrossAxisAlignment.start,
           children: [
-            if (!isUser && chatState.isStreaming && msg.content.isEmpty)
-              _buildThinkingIndicator()
-            else if (isUser)
-              Text(msg.content, style: const TextStyle(fontSize: 16, color: Colors.white))
+            if (isUser)
+              Text(msg.content, style: const TextStyle(fontSize: 16, color: Colors.white, height: 1.4))
             else
               MarkdownBody(
-                data: msg.content.isEmpty ? '...' : msg.content,
+                data: msg.content,
                 selectable: true,
                 styleSheet: MarkdownStyleSheet(
-                  p: const TextStyle(fontSize: 16, color: Color(0xFF1A1A1A)),
-                  h1: const TextStyle(fontSize: 18, fontWeight: FontWeight.bold),
-                  code: TextStyle(fontSize: 14, backgroundColor: Colors.grey[200]),
+                  p: const TextStyle(fontSize: 16, color: Color(0xFF1A1A1A), height: 1.5),
+                  h1: const TextStyle(fontSize: 18, fontWeight: FontWeight.w600, color: Color(0xFF1A1A1A)),
+                  h2: const TextStyle(fontSize: 16, fontWeight: FontWeight.w600, color: Color(0xFF1A1A1A)),
+                  code: const TextStyle(fontSize: 14, backgroundColor: Colors.grey),
                 ),
               ),
-            if (!isUser && msg.content.isNotEmpty && !chatState.isStreaming)
+            if (!isUser && !msg.content.isEmpty)
               Padding(
-                padding: const EdgeInsets.only(top: 8),
-                child: Text(
-                  'AI 健康管家 · 仅供参考',
-                  style: TextStyle(fontSize: 12, color: Colors.grey[400]),
-                ),
+                padding: const EdgeInsets.only(top: 10),
+                child: Row(children: [
+                  const CircleAvatar(radius: 10, backgroundColor: Color(0xFFEDEBFF), child: Icon(Icons.chat_bubble_outline, size: 14, color: Color(0xFF635BFF))),
+                  const SizedBox(width: 6),
+                  Text('健康管家', style: TextStyle(fontSize: 12, color: Colors.grey[400])),
+                  const SizedBox(width: 4),
+                  Text('仅供参考', style: TextStyle(fontSize: 11, color: Colors.grey[300])),
+                ]),
               ),
           ],
         ),
@@ -83,14 +157,350 @@ class ChatMessagesView extends ConsumerWidget {
     );
   }
 
-  Widget _buildThinkingIndicator() {
-    return const Row(
-      mainAxisSize: MainAxisSize.min,
-      children: [
-        SizedBox(width: 14, height: 14, child: CircularProgressIndicator(strokeWidth: 2)),
-        SizedBox(width: 8),
-        Text('思考中...', style: TextStyle(fontSize: 14, color: Color(0xFF999999))),
-      ],
+  Widget _buildDataConfirmCard(BuildContext context, ChatMessage msg) {
+    final meta = msg.metadata;
+    final metricType = meta?['type'] as String? ?? '';
+    final value = meta?['value'] as String? ?? '';
+    final abnormal = meta?['abnormal'] as bool? ?? false;
+
+    return Align(
+      alignment: Alignment.centerLeft,
+      child: Container(
+        margin: const EdgeInsets.only(bottom: 12),
+        constraints: BoxConstraints(maxWidth: MediaQuery.of(context).size.width * 0.85),
+        decoration: BoxDecoration(
+          color: const Color(0xFFFEFEFF),
+          borderRadius: BorderRadius.circular(20),
+          border: Border.all(color: const Color(0xFFE8E6FF), width: 1.5),
+          boxShadow: [BoxShadow(color: const Color(0xFF635BFF).withAlpha(8), blurRadius: 4, offset: const Offset(0, 2))],
+        ),
+        child: Column(
+          crossAxisAlignment: CrossAxisAlignment.start,
+          children: [
+            Container(
+              padding: const EdgeInsets.all(16),
+              decoration: const BoxDecoration(
+                color: Color(0xFFF5F3FF),
+                borderRadius: BorderRadius.only(topLeft: Radius.circular(20), topRight: Radius.circular(20)),
+              ),
+              child: Row(children: [
+                const Icon(Icons.check_circle, size: 20, color: Color(0xFF43A047)),
+                const SizedBox(width: 8),
+                const Text('已记录', style: TextStyle(fontSize: 16, fontWeight: FontWeight.w600, color: Color(0xFF43A047))),
+              ]),
+            ),
+            Padding(
+              padding: const EdgeInsets.all(16),
+              child: Column(children: [
+                Row(children: [
+                  Text(
+                    _getMetricIcon(metricType),
+                    style: const TextStyle(fontSize: 24),
+                  ),
+                  const SizedBox(width: 12),
+                  Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
+                    Text(_getMetricName(metricType), style: const TextStyle(fontSize: 14, color: Color(0xFF666666))),
+                    const SizedBox(height: 4),
+                    Text(value, style: TextStyle(fontSize: 24, fontWeight: FontWeight.w600, color: abnormal ? const Color(0xFFE53935) : const Color(0xFF1A1A1A))),
+                  ]),
+                  const Spacer(),
+                  if (abnormal) const Icon(Icons.warning_amber, size: 20, color: Color(0xFFE53935)),
+                ]),
+                if (abnormal)
+                  const Padding(
+                    padding: EdgeInsets.only(top: 12),
+                    child: Text('⚠️ 数值超出正常范围，请关注', style: TextStyle(fontSize: 14, color: Color(0xFFE53935))),
+                  ),
+                const SizedBox(height: 12),
+                Row(children: [
+                  Expanded(
+                    child: OutlinedButton(
+                      onPressed: () {},
+                      child: const Text('编辑'),
+                      style: OutlinedButton.styleFrom(
+                        foregroundColor: const Color(0xFF635BFF),
+                        side: const BorderSide(color: Color(0xFF635BFF)),
+                        shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(20)),
+                      ),
+                    ),
+                  ),
+                  const SizedBox(width: 8),
+                  Expanded(
+                    child: ElevatedButton(
+                      onPressed: () {},
+                      child: const Text('确认'),
+                      style: ElevatedButton.styleFrom(
+                        backgroundColor: const Color(0xFF635BFF),
+                        foregroundColor: Colors.white,
+                        shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(20)),
+                      ),
+                    ),
+                  ),
+                ]),
+              ]),
+            ),
+          ],
+        ),
+      ),
     );
   }
+
+  Widget _buildMedicationConfirmCard(BuildContext context, ChatMessage msg) {
+    final meta = msg.metadata;
+    final name = meta?['name'] as String? ?? '';
+    final dosage = meta?['dosage'] as String? ?? '';
+    final time = meta?['time'] as String? ?? '';
+
+    return Align(
+      alignment: Alignment.centerLeft,
+      child: Container(
+        margin: const EdgeInsets.only(bottom: 12),
+        constraints: BoxConstraints(maxWidth: MediaQuery.of(context).size.width * 0.85),
+        decoration: BoxDecoration(
+          color: const Color(0xFFFEFEFF),
+          borderRadius: BorderRadius.circular(20),
+          border: Border.all(color: const Color(0xFFE8E6FF), width: 1.5),
+          boxShadow: [BoxShadow(color: const Color(0xFF635BFF).withAlpha(8), blurRadius: 4, offset: const Offset(0, 2))],
+        ),
+        child: Padding(
+          padding: const EdgeInsets.all(16),
+          child: Column(children: [
+            Row(children: [
+              const Text('💊', style: TextStyle(fontSize: 28)),
+              const SizedBox(width: 12),
+              Expanded(
+                child: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
+                  Text(name, style: const TextStyle(fontSize: 18, fontWeight: FontWeight.w600)),
+                  if (dosage.isNotEmpty) Text(dosage, style: const TextStyle(fontSize: 14, color: Color(0xFF666666))),
+                  if (time.isNotEmpty) Text('每天 $time', style: const TextStyle(fontSize: 14, color: Color(0xFF666666))),
+                ]),
+              ),
+            ]),
+            const SizedBox(height: 16),
+            const Text('需要调整吗？', style: TextStyle(fontSize: 14, color: Color(0xFF666666))),
+            const SizedBox(height: 12),
+            Row(children: [
+              Expanded(child: _medBtn('确认', Icons.check, Colors.white, const Color(0xFF635BFF))),
+              const SizedBox(width: 8),
+              Expanded(child: _medBtn('修改时间', Icons.access_time, const Color(0xFF635BFF), Colors.white)),
+              const SizedBox(width: 8),
+              Expanded(child: _medBtn('改剂量', Icons.edit, const Color(0xFF635BFF), Colors.white)),
+            ]),
+          ]),
+        ),
+      ),
+    );
+  }
+
+  Widget _medBtn(String label, IconData icon, Color textColor, Color bgColor) {
+    return ElevatedButton(
+      onPressed: () {},
+      child: Row(children: [Icon(icon, size: 16), const SizedBox(width: 4), Text(label, style: TextStyle(fontSize: 12))]),
+      style: ElevatedButton.styleFrom(
+        backgroundColor: bgColor,
+        foregroundColor: textColor,
+        elevation: 0,
+        shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(16)),
+        padding: const EdgeInsets.symmetric(vertical: 10),
+      ),
+    );
+  }
+
+  Widget _buildDietAnalysisCard(BuildContext context, ChatMessage msg) {
+    final meta = msg.metadata;
+    final foods = meta?['foods'] as List? ?? [];
+    final totalCalories = meta?['totalCalories'] as int? ?? 0;
+    final rating = meta?['rating'] as int? ?? 0;
+    final warnings = meta?['warnings'] as List? ?? [];
+
+    return Align(
+      alignment: Alignment.centerLeft,
+      child: Container(
+        margin: const EdgeInsets.only(bottom: 12),
+        constraints: BoxConstraints(maxWidth: MediaQuery.of(context).size.width * 0.85),
+        decoration: BoxDecoration(
+          color: const Color(0xFFFEFEFF),
+          borderRadius: BorderRadius.circular(20),
+          border: Border.all(color: const Color(0xFFE8E6FF), width: 1.5),
+          boxShadow: [BoxShadow(color: const Color(0xFF635BFF).withAlpha(8), blurRadius: 4, offset: const Offset(0, 2))],
+        ),
+        child: Padding(
+          padding: const EdgeInsets.all(16),
+          child: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
+            const Text('🍽️ 饮食分析', style: TextStyle(fontSize: 16, fontWeight: FontWeight.w600)),
+            const SizedBox(height: 12),
+            Column(children: foods.map((food) {
+              final f = food as Map? ?? {};
+              return Padding(
+                padding: const EdgeInsets.symmetric(vertical: 6),
+                child: Row(children: [
+                  Text(f['name'] as String? ?? '', style: const TextStyle(fontSize: 14)),
+                  const Spacer(),
+                  Text('${f['calories'] ?? 0} kcal', style: TextStyle(fontSize: 14, color: Colors.grey[500])),
+                ]),
+              );
+            }).toList()),
+            const SizedBox(height: 12),
+            Row(children: [
+              const Text('总热量', style: TextStyle(fontSize: 14, color: Color(0xFF666666))),
+              const Spacer(),
+              Text('$totalCalories kcal', style: const TextStyle(fontSize: 16, fontWeight: FontWeight.w600)),
+            ]),
+            const SizedBox(height: 12),
+            Row(children: [
+              const Text('健康评分', style: TextStyle(fontSize: 14, color: Color(0xFF666666))),
+              const SizedBox(width: 8),
+              Row(children: List.generate(5, (i) => Icon(Icons.star, size: 16, color: i < rating ? const Color(0xFFFFB800) : Colors.grey[300]))),
+            ]),
+            if (warnings.isNotEmpty) ...[
+              const SizedBox(height: 12),
+              ...warnings.map((w) => Padding(
+                padding: const EdgeInsets.only(bottom: 4),
+                child: Text('⚠️ $w', style: TextStyle(fontSize: 14, color: const Color(0xFFE53935))),
+              )),
+            ],
+            const SizedBox(height: 12),
+            const Text('建议：饮食均衡，多吃蔬菜水果', style: TextStyle(fontSize: 14, color: Color(0xFF666666))),
+          ]),
+        ),
+      ),
+    );
+  }
+
+  Widget _buildReportAnalysisCard(BuildContext context, ChatMessage msg) {
+    final meta = msg.metadata;
+    final reportType = meta?['type'] as String? ?? '';
+    final indicators = meta?['indicators'] as List? ?? [];
+
+    return Align(
+      alignment: Alignment.centerLeft,
+      child: Container(
+        margin: const EdgeInsets.only(bottom: 12),
+        constraints: BoxConstraints(maxWidth: MediaQuery.of(context).size.width * 0.85),
+        decoration: BoxDecoration(
+          color: const Color(0xFFFEFEFF),
+          borderRadius: BorderRadius.circular(20),
+          border: Border.all(color: const Color(0xFFE8E6FF), width: 1.5),
+          boxShadow: [BoxShadow(color: const Color(0xFF635BFF).withAlpha(8), blurRadius: 4, offset: const Offset(0, 2))],
+        ),
+        child: Padding(
+          padding: const EdgeInsets.all(16),
+          child: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
+            Row(children: [
+              const Text('📋', style: TextStyle(fontSize: 20)),
+              const SizedBox(width: 8),
+              Text(reportType, style: const TextStyle(fontSize: 16, fontWeight: FontWeight.w600)),
+            ]),
+            const SizedBox(height: 12),
+            const Text('AI 预解读结果', style: TextStyle(fontSize: 14, color: Color(0xFF666666))),
+            const SizedBox(height: 8),
+            Column(children: indicators.map((ind) {
+              final i = ind as Map? ?? {};
+              final name = i['name'] as String? ?? '';
+              final value = i['value'] as String? ?? '';
+              final status = i['status'] as String? ?? 'normal';
+              Color statusColor;
+              switch (status) {
+                case 'high': statusColor = const Color(0xFFE53935); break;
+                case 'low': statusColor = const Color(0xFFF9A825); break;
+                default: statusColor = const Color(0xFF43A047);
+              }
+              return Padding(
+                padding: const EdgeInsets.symmetric(vertical: 6),
+                child: Row(children: [
+                  Expanded(child: Text(name, style: const TextStyle(fontSize: 14))),
+                  Text(value, style: TextStyle(fontSize: 14, color: statusColor, fontWeight: FontWeight.w600)),
+                  const SizedBox(width: 8),
+                  Icon(status == 'normal' ? Icons.check_circle : Icons.warning_amber, size: 16, color: statusColor),
+                ]),
+              );
+            }).toList()),
+            const SizedBox(height: 12),
+            Container(
+              padding: const EdgeInsets.all(12),
+              decoration: BoxDecoration(
+                color: const Color(0xFFFEF3C7),
+                borderRadius: BorderRadius.circular(12),
+              ),
+              child: const Text('⚠️ AI 预解读，待医生确认', style: TextStyle(fontSize: 13, color: Color(0xFFD97706))),
+            ),
+            const SizedBox(height: 12),
+            Center(
+              child: OutlinedButton(
+                onPressed: () {},
+                child: const Text('查看原始图片'),
+                style: OutlinedButton.styleFrom(
+                  foregroundColor: const Color(0xFF635BFF),
+                  side: const BorderSide(color: Color(0xFF635BFF)),
+                  shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(20)),
+                ),
+              ),
+            ),
+          ]),
+        ),
+      ),
+    );
+  }
+
+  Widget _buildQuickOptionsCard(BuildContext context, ChatMessage msg) {
+    final meta = msg.metadata;
+    final options = meta?['options'] as List? ?? [];
+
+    return Align(
+      alignment: Alignment.centerLeft,
+      child: Container(
+        margin: const EdgeInsets.only(bottom: 12),
+        constraints: BoxConstraints(maxWidth: MediaQuery.of(context).size.width * 0.85),
+        decoration: BoxDecoration(
+          color: const Color(0xFFFEFEFF),
+          borderRadius: BorderRadius.circular(20),
+          border: Border.all(color: const Color(0xFFE8E6FF), width: 1.5),
+          boxShadow: [BoxShadow(color: const Color(0xFF635BFF).withAlpha(8), blurRadius: 4, offset: const Offset(0, 2))],
+        ),
+        child: Padding(
+          padding: const EdgeInsets.all(16),
+          child: Column(children: [
+            Text(msg.content, style: const TextStyle(fontSize: 16, color: Color(0xFF1A1A1A))),
+            const SizedBox(height: 12),
+            Wrap(spacing: 8, runSpacing: 8, children: options.map((opt) {
+              final o = opt as Map? ?? {};
+              return ElevatedButton(
+                onPressed: () {},
+                child: Text(o['label'] as String? ?? '', style: const TextStyle(fontSize: 14)),
+                style: ElevatedButton.styleFrom(
+                  backgroundColor: const Color(0xFFF5F3FF),
+                  foregroundColor: const Color(0xFF635BFF),
+                  elevation: 0,
+                  shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(20)),
+                  padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 12),
+                ),
+              );
+            }).toList()),
+          ]),
+        ),
+      ),
+    );
+  }
+
+  String _getMetricIcon(String type) {
+    switch (type.toLowerCase()) {
+      case 'blood_pressure': return '🩺';
+      case 'heart_rate': return '💓';
+      case 'glucose': return '💉';
+      case 'spo2': return '🫁';
+      case 'weight': return '⚖️';
+      default: return '📊';
+    }
+  }
+
+  String _getMetricName(String type) {
+    switch (type.toLowerCase()) {
+      case 'blood_pressure': return '血压';
+      case 'heart_rate': return '心率';
+      case 'glucose': return '血糖';
+      case 'spo2': return '血氧';
+      case 'weight': return '体重';
+      default: return '健康指标';
+    }
+  }
 }